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Table 2 The prevalence of atrioventricular block among Chinese health examination adults in 2018

From: Prevalence and risk factors of atrioventricular block among 15 million Chinese health examination participants in 2018: a nation-wide cross-sectional study

 

All AV block (no. of cases = 88,842)

First degree AV block (no. of cases = 86,153)

Second degree AV block (no. of cases = 2249)

Third degree AV block (no. of cases = 440)

Crude prevalence

Standardized prevalencea

Crude prevalence

Standardized prevalencea

Crude prevalence

Standardized prevalencea

Crude prevalence

Standardized prevalencea

Total

5.85 (5.81–5.89)

7.06 (7.01–7.11)

5.67 (5.64–5.71)

6.84 (6.79–6.89)

0.15 (0.14–0.15)

0.18 (0.17–0.18)

0.03 (0.03–0.03)

0.04 (0.03–0.04)

Age, years

 18–39

2.76 (2.72–2.79)

2.67 (2.63–2.70)

2.64 (2.60–2.67)

2.55 (2.51–2.59)

0.10 (0.10–0.11)

0.10 (0.09–0.01)

0.02 (0.01–0.02)

0.02 (0.01–0.02)

 40–59

6.31 (6.25–6.37)

6.23 (6.16–6.29)

6.16 (6.09–6.22)

6.08 (6.01–6.14)

0.13 (0.12–0.14)

0.13 (0.12–0.14)

0.03 (0.02–0.03)

0.03 (0.02–0.03)

 ≥ 60

18.3 (18.1–18.5)

18.0 (17.8–18.3)

17.8 (17.6–18.0)

17.5 (17.3–17.7)

0.43 (0.40–0.46)

0.42 (0.39–0.45)

0.10 (0.09–0.12)

0.10 (0.09–0.12)

Sex

 Men

8.21 (8.15–8.27)

10.3 (10.2–10.4)

7.98 (7.92–8.04)

9.98 (9.89–10.1)

0.19 (0.18–0.20)

0.25 (0.24–0.26)

0.04 (0.03–0.04)

0.05 (0.04–0.06)

 Women

3.17 (3.13–3.21)

3.92 (3.86–3.98)

3.05 (3.01–3.09)

3.78 (3.72–3.83)

0.10 (0.09–0.10)

0.12 (0.11–0.12)

0.02 (0.02–0.03)

0.03 (0.02–0.03)

City size*

 Small city

7.47 (7.4–7.55)

8.02 (7.92–8.11)

7.24 (7.17–7.32)

7.76 (7.67–7.85)

0.19 (0.18–0.20)

0.21 (0.20–0.23)

0.04 (0.03–0.05)

0.05 (0.04–0.06)

 Middle city

5.97 (5.91–6.03)

7.37 (7.29–7.46)

5.82 (5.76–5.88)

7.17 (7.09–7.26)

0.13 (0.12–0.14)

0.17 (0.15–0.18)

0.03 (0.02–0.03)

0.04 (0.03–0.04)

 Big city

4.05 (3.99–4.11)

5.38 (5.29–5.47)

3.90 (3.84–3.95)

5.18 (5.10–5.27)

0.13 (0.12–0.14)

0.17 (0.16–0.19)

0.02 (0.02–0.03)

0.03 (0.02–0.03)

  1. Prevalence rates are presented as ‰ (95% confidence interval)
  2. AV atrioventricular
  3. *City size was determined according to urban population size
  4. aPrevalence rates were standardized for age and sex, prevalence rates in different age group were standardized for sex only, prevalence rates in different sex were standardized for age only. P < 0.001 for all comparisons between subgroups